Hisense LHD32K366WCEU Service Manual
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Hisense LHD32K366WCEU Service Manual

Hisense LHD32K366WCEU Service Manual

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LHD32K366WCEU、LTDN40K366WCEU、LTDN50K366WCEU
Version
Page
ver1.0
ALL
Service Manual
Chassis： MT5651HROI
Product Type：
November，2013
REVISION HISTROY
Section
Description
ALL
First issued
LCD Television
Ver 1.0
Date
2013-11-25

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Summary of Contents for Hisense LHD32K366WCEU

  • Page 1 LCD Television Service Manual Chassis： MT5651HROI Product Type： LHD32K366WCEU、LTDN40K366WCEU、LTDN50K366WCEU Ver 1.0 November，2013 REVISION HISTROY Version Page Section Description Date ver1.0 First issued 2013-11-25...

  • Page 2: Table Of Contents

    Contents Contents ..................................- 2 -  Service Manual ................................- 3 -  1. Precautions and notices ............................. - 3 -  1.1 Warning ..............................- 4 -  1.2 Notes ............................... - 7 -  2. Product Function Specifications ........................- 9 -  3.

  • Page 3: Service Manual

    USE OF NON-AUTHORIZED PARTS WILL VOID THE MANUFACTURE'S WARRANTY Proper service and repair is important to the safe, reliable operation of all Hisense Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose.

  • Page 4: Warning

    Ref. No. in the parts list. Use of non-manufacturer's recommended parts may create shock, fire, or other hazards.Under no circumstances should the original design be modified or altered without written permission from RCA. Hisense Eassumes no liability, express or implied, arising out of any unauthorized modification of design. Servicetech assumes all liability.
  • Page 5 IMPORTANT: Always disconnect the power cord from AC outlet before replacing parts or modules. 1.1.3 To prevent electrical shock, use only a properly grounded 3 prong outlet or extension cord. 1.1.4 When replacement parts are required, be sure to use replacement parts specified by the manufacturer or have the same characteristics as the original part.
  • Page 6 damage the product and may cause a fire. (2) Do not use this product: > High humidity areas > In an area where any water could enter or splash into the unit. High humidity and water could damage the product and cause fire. (3) If a foreign substance (such as water, metal, or liquid) gets inside the panel module, immediately turn off the power.

  • Page 7: Notes

    1.2 Notes Notes on Safe Handling of the LCD panel and during service The work procedures shown with the Note indication are important for ensuring the safety of the product and the servicing work. Be sure to follow these instructions. •...
  • Page 8 matter. • Be sure to handle the circuit board by holding the large parts as the heat sink or transformer. Failure to observe this precaution may result in the occurrence of an abnormality in the soldered areas. • Do not stack the circuit boards. Failure to observe this precaution may result in problems resulting from scratches on the parts, the deformation of parts, and short-circuits due to residual electric charge.

  • Page 9: Product Function Specifications

    2. Product Function Specifications 2.1 Layout K366 Series - 9 -...
  • Page 10 TVRear - 10 -...
  • Page 11 2.2 Main board: 5615 The top - 11 -...
  • Page 12 2.3 Spec. - 12 -...

  • Page 13: Factory/Service Osd Menu And Adjustment

    3. Factory/Service OSD Menu and Adjustment 3.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode. 2. Press “Menu” button and enter factory OSD menu. 3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu.
  • Page 14 3.2.1 Signal prefabricate 3.2.3 Factory Option Item Default Options Notes MODE M, U M-Can enter factory mode with factory - 14 -...
  • Page 15 RC or user RC. U-Can enter factory mode only with user’s RC. Note: MODE “M” is only used for factory production. Clear the EEPROM Item Meaning Note Clean data except Clean Protected Clear partly WB data and Auto Color data Clean All Clear completely Clean all data...

  • Page 16: Designer Menu

    c. Close the OSD menu after 5 seconds. d. Restart the TV. 3.3 Designer Menu Note: Above “Factory/Service OSD Menu”is reference for chassis MTK5651 , please refer to the actual units to determine the appearances. 4. Software Upgrading Before upgrading, read the following. First: Upgrade the software.

  • Page 17: Usb Upgrading Unsuccessfully

    4.2 USB upgrading unsuccessfully If USB upgrading unsuccessfully, then need burning the Nand Flash program file“ *.bin ”to the Nand Flash. Hardware connecting Connect the unit to your pc with a USB-to-serial port cable. USB port connects to your PC and serial port to the TV’s RS232 port.
  • Page 18 - 18 -...

  • Page 19: Upgrading With The Flashtool0.6.0.Exe

    4.3 Upgrading with the FlashTool0.6.0.exe 1、FlashTool is a green program needing no installation. After Connect the unit to your pc with a USB-to-serial port cable， run FlashTool0.6.0.exe. Please refer to the following steps to set. serial port Select mode Communicate port Set Flash Baud Rate of main chip Communicate port and flash baud rate? See the following...
  • Page 20 Open “Device Manager” and find which port is connected with the TV. In above picture, COM4 is connected to the TV, so, select “COM4” and if COM6 is connected to the TV, so select “COM6”. Select the right baud rate according to chip model. For this unit( chip model is MT5651), select 115200. 2、 ...
  • Page 21 Click  ,  bounce  the  following  dialog  box.  Load  Bin  File：find  the  upgrading  program file, and select it. for example:HIS_5651_m1v2_oceania_secure_nandboot.bin.  Press “Upgrade” button and start upgrading.，if update defeat, try again.  Start upgrade Select *.bin file bootloader Tool upgrading is ok, then need renew USB upgrading.reference to 4.1( USB Software Upgrading directly) - 21 -...

  • Page 22: Network Updating

    4.4 Network updating Network updating includes two ways. one is “Auto Upgrade ”the other is “Internet”. Whether Auto Upgrade is ON or Off，Network Upgrade is validated Auto Upgrade---- When it is set to “on” , Turn on automatic check whether or not have any new updating file in servers when connects to the network.
  • Page 23 Figure-2 Figure-3 Check new version, then bounce the following . Figure-4 - 23 -...
  • Page 24 Select update to downloading…… Figure-5 After verify, bounce dialog to select “yes” to sure to update the firmware. Waiting…… Figure-6 - 24 -...
  • Page 25 Bounding following interface that indicates firmware update is sussessful. Figure-7 Figure-8 Upgrade successfully. power off and restart TV can bounce following prompt message. otherwise upgrade is defeat. Figure-9 - 25 -...
  • Page 26 2、Auto upgrade Auto upgrade and Network have little difference only in figure-4. As following Auto Upgrade: Network upgrade: figure-2 - 26 -...

  • Page 27: Trouble Shooting

    5. Trouble shooting When there is something wrong with your TV, you can try turning off the TV and then restart it. You can also operate according to the follow chart. If the problems still cann’t be solved, please contact the profession technician. - 27 -...

  • Page 28: Troubleshooting For Remote Control

    5.1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led & IR cable Replace main board - 28 -...

  • Page 29: Troubleshooting For Function Key

    5.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board - 29 -...

  • Page 30: Tv Won't Power On

    5.3 TV won’t Power On TV won’t power on Make Sure Power Check Power source is live light? Output Replace Check Power BLUE Power Cord Cord Check/replace IR Only BD or Keypad one works Try Power on by Check signal RC and Button Panel Bright Source...

  • Page 31: Troubleshooting For Audio

    5.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board - 31 -...

  • Page 32: Troubleshooting For Tv/Vga/Hdmi Input

    5.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Check cable Replace cable Replace main board - 32 -...

  • Page 33: Troubleshooting For Ypbpr Input

    5.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board - 33 -...

  • Page 34: Troubleshooting For Video Input

    5.7 Troubleshooting for Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board 6. Signals Block Diagram and power assign: 7. Schematic circuit diagram 8.

  • Page 35: Block Diagram

    OPWM5 LED2/PHYAD2 OPWM6 LED3/PHYAD3 PACLE strap[0] AOSDATA1 RF_AGC CI_OCP T+C TUNER USBx3 HDMIx2 YPbPr1 AV IN Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title INDEX INDEX INDEX Size Size Size Document Number Document Number Document Number...
  • Page 36 TUNER_3V3 S2 TUNER EMMC FLASH LD1117-ADJ PIMCIA HDMI SWITCH 1.2V S2 DEMO MP1482 PIC12F609 +12V +12VPOWER AO4459 MT8261 +12V PWR BEAD TAS5707 TAS5711 LVDSVDD AO3401L T-CON A8293 S2 TUNER LNB 1.25V VCCK MT5651 MP671 Hisense Electric Co.,LTD Title: Power Tree...
  • Page 37 PWM POWER 0805/0R/5%/NC 0805/0R/5%/NC VDDA1 VDDA1 Test Pad Test Pad VDDA Edited by Foxit Reader LVDSVDD VD6 AO3401L VD6 AO3401L 13.5V 100mA VD15 VD15 LTRH6D28-100 LTRH6D28-100 Copyright(C) by Foxit Software Company,2005-2008 +12V VFB2 VDDA B240A-13-F B240A-13-F C350 C350 C348 C348 C316 C316 For Evaluation Only.
  • Page 38 LVDSTX_AO5P LVDSTX_AO5P LVDSTX_AO5N LVDSTX_AO5N TX_AOCKPH TX_AOCKPH TX_AOCKNH TX_AOCKNH TX_AO3PH TX_AO3PH TX_AO3NH TX_AO3NH VDD_GA TX_AO4PH TX_AO4PH TX_AO4NH TX_AO4NH VDDD 15.2 LVDSTX_AE5P LVDSTX_AE5P R286 R286 VDD_OP R278 22R/NC R278 22R/NC LVDSTX_AE5N R421 R421 LVDSTX_AE5N TX_AE3PH TX_AE3PH R275 R275 R165 R165 C382 C382 POL_AUO R465 22R R465 22R...
  • Page 39 VCCK R543 R543 MMBT3904LT1 MMBT3904LT1 4.7k 4.7k MMBT3904LT1 MMBT3904LT1 4.7k 4.7k 1k/NC 1k/NC 4.7k 4.7k MMBT3904LT1 MMBT3904LT1 Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD C223 C223 C215 C215 OPWRSB Title Title Title 10u/16V 10u/16V 100n/16V 100n/16V MMBT3904LT1 MMBT3904LT1 4.7k...
  • Page 40 10n/50V IC STRAPPING 3.3VS ORESET# 10u/10V 10u/10V UART0 3.3VS R710 R710 4.7k 4.7k 4.7k 4.7k 100n/16V 100n/16V Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD 18k/NC 18k/NC U0RX 100R 100R Title Title Title 4.7k 4.7k 100R 100R U0TX PERIPHERAL...
  • Page 41 100n/16V 100n/16V 100n/16V 10u/10V 10u/10V 10u/10V 10u/10V 1500 mil with 15 of 45-degree-angle (USB-IF). 增加外置 连接端口 WIFI XIGUO 20120924 Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title GPIO/AD/ETHERNET PHY GPIO/AD/ETHERNET PHY GPIO/AD/ETHERNET PHY Size Size Size...
  • Page 42 2,3,4,6,7,8,9,10,11,12,13,14,15,16,17 VCCK VCCK JTAG Port VCCK VCCK 2,6,7,8,9,10,12,14,15,16,17 2,16 VCCK VCCK DVDD3V3 2,3,11,12,16,17 DVDD3V3 VCCK VCCK 3.3VS 2,3,4,10,11 3.3VS VCCK VCCK VCCK VCCK VCCK VCCK 删除 此部分电路 VCCK VCCK VCCK VCCK VCCK VCCK ---20130330 by Tony VCCK POWER_LED POWER_LED VCCK ADIN0 DVDD3V3 ADIN0...
  • Page 43 100n/16V/NC 100n/16V/NC 22u/6.3V/NC 22u/6.3V/NC 100n/16V/NC 100n/16V/NC 100n/16V/NC 100n/16V/NC RCLK1# CLK1# DDRV CAPs for DRAM IO Power ( Beneath the DDR#2 ) Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD C158 C158 C150 C150 C155 C155 C156 C156 C157 C157...
  • Page 44 33n/16V 33n/16V C172 C172 RV10 RV10 R172 R172 5p/50V 5p/50V AVLC18S02015 AVLC18S02015 Close to CONNECTOR Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title YPBPR/AV INPUT YPBPR/AV INPUT YPBPR/AV INPUT Size Size Size Document Number Document Number...
  • Page 45 220p/50V/NC 220p/50V/NC 82k/NC 82k/NC 在插入耳机时，HPDET#为1, 此时 IO口电平发生变化，将系统功放静音。 R454 R454 XIGUO-20120924 HPOUTR AV-OUT AUDIO XIGUO-20120924 Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title AUDIO IN/OUT/SPDIF OUT AUDIO IN/OUT/SPDIF OUT AUDIO IN/OUT/SPDIF OUT Size Size Size Document Number...
  • Page 46 R203 R203 HDMI_CEC HDMI_ARC HDMI1_ARC 180R 180R 1u/10V 1u/10V R382 R382 R204 R204 10k/NC 10k/NC Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title HDMI1/HDMI2 HDMI1/HDMI2 HDMI1/HDMI2 Size Size Size Document Number Document Number Document Number MT5325...
  • Page 47 R392 I2C-SCL2 I2C-SCL-PANEL 0R/NC 0R/NC 4.7k/NC 4.7k/NC MMBT3904LT1/NC MMBT3904LT1/NC LVDSVDD 2N7002K 2N7002K R351 R351 Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD R350 R350 GPIO_09 Title Title Title LVDS POWER CONTROL LVDS POWER CONTROL LVDS POWER CONTROL R352 R352...
  • Page 48 100R PCMCIA R516 R516 R518 R518 4.7k 4.7k AP2161,EN==active low, R521 R521 max load current=1A CI_OCP Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title SILICON TUNER SILICON TUNER SILICON TUNER Size Size Size Document Number Document Number...
  • Page 49 C269 C270 C270 10R/NC 10R/NC 4.7u/10V 4.7u/10V 100n/16V 100n/16V 4.7u/10V 4.7u/10V AVDD I2S 器件一定要靠近 功放pin脚 20130326 by tony Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD Title Title Title SPEAKER/MUTE SPEAKER/MUTE SPEAKER/MUTE Size Size Size Document Number Document Number...
  • Page 50 LHD32K366WCEU PB:5023 VD816 VD816 C859 C859 HER307 HER307 68u/250V 68u/250V M801 M801 M806 M806 M807 M807 SCKY505 SCKY505 M808 M808 F801 F801 C807 C807 471/1KV 471/1KV 300V RIVET-HX RIVET-HX RIVET-HX RIVET-HX RIVET-HX RIVET-HX RIVET-HX RIVET-HX T801 T801 M813 M813 XP905...
  • Page 51 FR107 FR107 LED- VD818 VD818 VD825 VD825 C869 C869 33u/250V 33u/250V LTDN40K366WCEU PB:4737 104/450V 104/450V MUR460G MUR460G C821 C821 MOS-D VD816 VD816 MUR460G MUR460G C807 C807 M805 M805 M807 M807 471/1KV 471/1KV 300V 33u/250V 33u/250V T801 T801 C859 C859 M811 M811 M810 M810...
  • Page 52 VD903 VPFC MUR160 R901 C906 V901 220n/250V VD904 R902 5N50 T901 VD901 W842 MUR160 1N4148W R903 T902 BCK-04SL VD905 XP901 R960 MUR160 C905 BK-10-05HY 220n/250V C902 C907 10n/50V R904 220n/250V VD906 22n/630V V902 C901 R905 5N50 VD902 MUR160 ISNS R930 R932 1N4148W 270k...
  • Page 53 VD806 M813 1N5408 VPFC VD807 W839 MUR460G W840 C810 82u/450VV L805 M815 LLE-33H-P2 9 8 7 6 M802 RT801 Q804 W838 W801 XP801 NTC5D2-15LCS\V7 RSAG7.308.055 M811 M812 M803 R810 M805 R820 C805 VD801 VD802 1M 1% R801 R802 470p/1KV R208 R208 M801 M807...

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